Describe the bug
Error Unable to intercept a read client packet. (java.lang.IllegalArgumentException: Unable to find a field null with the type com.mojang.authlib.GameProfile in net.minecraft.network.protocol.login.PacketLoginInStart) occured in com.comphenix.protocol.injector.netty.ChannelInjector@5baa1198.
[10:51:28 ERROR]: [ProtocolLib] INTERNAL ERROR: Unable to intercept a read client packet.
If this problem hasn't already been reported, please open a ticket
at https://github.com/dmulloy2/ProtocolLib/issues with the following data:
Stack Trace:
java.lang.IllegalArgumentException: Unable to find a field null with the type com.mojang.authlib.GameProfile in net.minecraft.network.protocol.login.PacketLoginInStart
at ProtocolLib.jar//com.comphenix.protocol.reflect.FuzzyReflection.getFieldByType(FuzzyReflection.java:397)
at ProtocolLib.jar//com.comphenix.protocol.reflect.accessors.Accessors.getFieldAccessor(Accessors.java:57)
at ProtocolLib.jar//com.comphenix.protocol.injector.netty.ChannelInjector.handleLogin(ChannelInjector.java:658)
at ProtocolLib.jar//com.comphenix.protocol.injector.netty.ChannelInjector.decode(ChannelInjector.java:591)
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:510)
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:449)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:279)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at ProtocolLib.jar//com.comphenix.protocol.injector.netty.ChannelInjector$2.channelRead(ChannelInjector.java:292)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:327)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:299)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.handler.flush.FlushConsolidationHandler.channelRead(FlushConsolidationHandler.java:152)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
at io.netty.channel.local.LocalChannel.readInbound(LocalChannel.java:299)
at io.netty.channel.local.LocalChannel.doBeginRead(LocalChannel.java:322)
at io.netty.channel.AbstractChannel$AbstractUnsafe.beginRead(AbstractChannel.java:834)
at io.netty.channel.DefaultChannelPipeline$HeadContext.read(DefaultChannelPipeline.java:1362)
at io.netty.channel.AbstractChannelHandlerContext.invokeRead(AbstractChannelHandlerContext.java:686)
at io.netty.channel.AbstractChannelHandlerContext.read(AbstractChannelHandlerContext.java:671)
at io.netty.channel.DefaultChannelPipeline.read(DefaultChannelPipeline.java:1004)
at io.netty.channel.AbstractChannel.read(AbstractChannel.java:290)
at Geyser-Spigot.jar//org.geysermc.geyser.network.netty.ChannelWrapper.read(ChannelWrapper.java:197)
at io.netty.channel.DefaultChannelPipeline$HeadContext.readIfIsAutoRead(DefaultChannelPipeline.java:1422)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelReadComplete(DefaultChannelPipeline.java:1417)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelReadComplete(AbstractChannelHandlerContext.java:410)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelReadComplete(AbstractChannelHandlerContext.java:397)
at io.netty.channel.DefaultChannelPipeline.fireChannelReadComplete(DefaultChannelPipeline.java:925)
at io.netty.channel.local.LocalChannel.readInbound(LocalChannel.java:302)
at io.netty.channel.local.LocalChannel.finishPeerRead0(LocalChannel.java:445)
at io.netty.channel.local.LocalChannel.access$400(LocalChannel.java:50)
at io.netty.channel.local.LocalChannel$5.run(LocalChannel.java:403)
at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
at io.netty.channel.DefaultEventLoop.run(DefaultEventLoop.java:54)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:995)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.base/java.lang.Thread.run(Thread.java:833)
Dump:
Parameters:
io.netty.buffer.PooledUnsafeDirectByteBuf@24102f2c[
memoryAddress=2318172811328
recyclerHandle=io.netty.util.Recycler$DefaultHandle@79b37494
chunk=Chunk(7755224b: 1%, 16384/4194304)
handle=562980018192384
memory=java.nio.DirectByteBuffer[pos=0 lim=4194304 cap=4194304]
offset=8192
length=1
maxLength=16
cache=io.netty.buffer.PoolThreadCache@3b78797
tmpNioBuf=
allocator=PooledByteBufAllocator(directByDefault: true)
refCnt=2
readerIndex=1
writerIndex=1
markedReaderIndex=0
markedWriterIndex=0
maxCapacity=2147483647
]
manager:
com.comphenix.protocol.injector.PacketFilterManager@448e760d[
unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@1a1743ad
packetListeners=[]
packetInjector=com.comphenix.protocol.injector.netty.ProtocolInjector$5@2523e447
playerInjection=com.comphenix.protocol.injector.netty.ProtocolInjector$4@5e2f26d0
inputBufferedPackets=[]
recievedListeners=com.comphenix.protocol.injector.SortedPacketListenerList@69260d06
sendingListeners=com.comphenix.protocol.injector.SortedPacketListenerList@490c21a4
hasClosed=false
classLoader=PluginClassLoader{plugin=ProtocolLib v4.8.0, pluginEnabled=true, url=plugins\ProtocolLib.jar}
reporter=com.comphenix.protocol.ProtocolLib$1@7337f51e
server=CraftServer{serverName=Paper,serverVersion=git-Paper-"9b6fb2f",minecraftVersion=1.19}
library=ProtocolLib v4.8.0
asyncFilterManager=com.comphenix.protocol.async.AsyncFilterManager@d1e3db4
knowsServerPackets=true
knowsClientPackets=true
phaseLoginCount=0
phasePlayingCount=0
packetCreation=false
nettyInjector=com.comphenix.protocol.injector.netty.ProtocolInjector@b5cd2da
pluginVerifier=com.comphenix.protocol.injector.PluginVerifier@1712adaf
hasRecycleDistance=true
minecraftVersion=(MC: 1.19.0)
debug=false
]
Sender:
com.comphenix.protocol.injector.netty.ChannelInjector@5baa1198[
decodeBuffer=protected void net.minecraft.network.PacketDecoder.decode(io.netty.channel.ChannelHandlerContext,io.netty.buffer.ByteBuf,java.util.List) throws java.lang.Exception
encodeBuffer=protected void net.minecraft.network.PacketEncoder.encode(io.netty.channel.ChannelHandlerContext,java.lang.Object,io.netty.buffer.ByteBuf) throws java.lang.Exception
factory=com.comphenix.protocol.injector.netty.InjectionFactory@5ed94c98
player=com.comphenix.protocol.injector.server.TemporaryPlayerInvocationHandler@55f4a00a
updated=
playerName=
playerConnection=
networkManager=net.minecraft.network.NetworkManager@7dc366e9
originalChannel=org.geysermc.geyser.network.netty.ChannelWrapper@135f34ea
channelField=VolatileField [accessor=DefaultFieldAccessor [field=public io.netty.channel.Channel net.minecraft.network.NetworkManager.m], container=net.minecraft.network.NetworkManager@7dc366e9, previous=org.geysermc.geyser.network.netty.ChannelWrapper@135f34ea, current=com.comphenix.protocol.injector.netty.ChannelInjector$3@12de4ab0, previousLoaded=true, currentSet=true, forceAccess=true]
packetMarker={}
currentEvent=
finalEvent=
unfilteredProcessedPackets=com.comphenix.protocol.injector.netty.PacketFilterQueue@39590d55
vanillaDecoder=net.minecraft.network.PacketDecoder@59324b04
vanillaEncoder=net.minecraft.network.PacketEncoder@69b8aef7
finishQueue=[]
channelListener=com.comphenix.protocol.injector.netty.ProtocolInjector@b5cd2da
processor=com.comphenix.protocol.injector.NetworkProcessor@5826cee3
injected=true
closed=false
cumulation=PooledUnsafeDirectByteBuf(ridx: 1, widx: 1, cap: 1)
cumulator=io.netty.handler.codec.ByteToMessageDecoder$1@1307c488
singleDecode=false
first=true
firedChannelRead=false
selfFiredChannelRead=true
decodeState=1
discardAfterReads=16
numReads=0
added=true
]
Version:
ProtocolLib v4.8.0
Java Version:
17.0.1
Server:
git-Paper-"9b6fb2f" (MC: 1.19)

Please use the latest development build from https://ci.dmulloy2.net/job/ProtocolLib/lastSuccessfulBuild/ to get 1.19 support

the latest dev build solves the issue - thanks!